Home / 10,560,665.60-15,840,998.40-8,434,901.60

Finding the Fourth Proportional to 10,560,665.60, 15,840,998.40 and 8,434,901.60

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Solution

The fourth proportional to 10,560,665.60, 15,840,998.40 and 8,434,901.60 is: 12,652,352.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,560,665.60 : 15,840,998.40 = 8,434,901.60 : x
  2. Step 2: Convert to fraction form
    10,560,665.60/15,840,998.40 = 8,434,901.60/x
  3. Step 3: Cross multiply
    10,560,665.60x = 15,840,998.40 × 8,434,901.60
  4. Step 4: Simplify right side
    10,560,665.60x = 133,617,262,749,757.44
  5. Step 5: Solve for x
    x = 133,617,262,749,757.44/10,560,665.60
  6. Step 6: Final answer
    x = 12,652,352.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.